Sentence examples for it is contamination from inspiring English sources

But - and it is a big but – no one can yet be sure whether it is contamination brought from Earth aboard the spacecraft, the result of meteorites containing organic compounds falling to Mars, or the genuine detection of long-lived organics in the Martian soil.

"It was contamination off the banknotes".

"They always think it's contamination of some sort," Ms. Shi said.

But the real issue here is not patent law; it's contamination.

Iran claimed it was contamination that came in on imported equipment, which Iranian officials said they acquired to concentrate uranium for reactors to generate electricity.

"It was very confusing until we figured out it was contamination," says Singh.

Now Coffin is convinced that "it is all contamination".

But if there is contamination, it's not dangerous.

In addition to scarcity, there is contamination.

Then there is contamination of Mars.

The greatest hazard from water is contamination.